Spain, italy, and greece are transitioning:
to a service economy.
to rule by multiethnic regimes.
to a time of high birthrates.
to an agrarian society.

to a service economy

Explanation:

The countries of Southern Europe, Spain, Italy, and Greece. have been gradually transitioning to service economies in the past several decades. The main reason for this is that these countries are the most attractive tourist destinations in Europe, which is due to their nice climate, long coastlines, beautiful beaches, and lot of historical, beautiful sites. More and more of the population has started to specialize for the service sector, mostly the tourism because of this, and rightly so, considering that this is the sector that brings in most of money and offers more and more jobs.

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because the two particles have an equal charge, the charges will cancel out and give the atom an overall charge of 0. so, if at atom has 35 protons in the nucleus, we could expect it to have 35 electrons orbiting that nucleus.